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1. Shanghai has more skyscrapers than Jakarta.
2. You didn't remember to turn off the TV last night.
3. The countryside  suffers less pollution than the city.
4. Why don't you go to work by bike? 
5. Tokyo has fewer billionaires than New York.
6. More trees will be planted along this street.
7. Overpopulation causes a lot of social problems in this area, doesn't it?
8. Pollution is the most serious problem, isn't it?
9. Did a group of foreigners visit the slums last week?
10. Mr.Lam used to live n the country when he was a child.